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Finding the Fourth Proportional to 517,259.53, 713,583.70 and 373,792.33

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Solution

The fourth proportional to 517,259.53, 713,583.70 and 373,792.33 is: 515,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,259.53 : 713,583.70 = 373,792.33 : x
  2. Step 2: Convert to fraction form
    517,259.53/713,583.70 = 373,792.33/x
  3. Step 3: Cross multiply
    517,259.53x = 713,583.70 × 373,792.33
  4. Step 4: Simplify right side
    517,259.53x = 266,732,113,873.02
  5. Step 5: Solve for x
    x = 266,732,113,873.02/517,259.53
  6. Step 6: Final answer
    x = 515,663.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.